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ometime, while installing anything using npm, you can see the Error: Error: EACCES: permission denied, access '/usr/local/lib/node_modules' on your CMD or Terminal who prevent the installation. In this article we will see about the issue "EACCES: permission denied".

Resolved Error: EACCES: permission denied

In this article, we will resolved the error: EACCES: permission denied, access \'/usr/local/lib/node_modules\', This error comes due to the correct permission of files or folder to do any specific operation like READ, WRITE etc.',

Here I am trying to install the angular CLI but I was getting the error as:

                                npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
                                npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules
                                npm ERR! code EACCES
                                npm ERR! syscall access
                                npm ERR! path /usr/local/lib/node_modules
                                npm ERR! errno -13
                                npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
                                npm ERR!  [Error: EACCES: permission denied, access '/usr/local/lib/node_modules'] {
                                npm ERR!   errno: -13,
                                npm ERR!   code: 'EACCES',
                                npm ERR!   syscall: 'access',
                                npm ERR!   path: '/usr/local/lib/node_modules'
                                npm ERR! }
                                npm ERR! 
                                npm ERR! The operation was rejected by your operating system.
                                npm ERR! It is likely you do not have the permissions to access this file as the current user
                                npm ERR! 
                                npm ERR! If you believe this might be a permissions issue, please double-check the
                                npm ERR! permissions of the file and its containing directories, or try running
                                npm ERR! the command again as root/Administrator.
                    
                                npm ERR! A complete log of this run can be found in:
                                npm ERR!     /Users/shubham/.npm/_logs/2020-07-25T17_47_06_578Z-debug.log
                    

see the below snapshot:

Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

Resolve 'EACCES: permission denied' problem:

First you should check the file/folder permission by running below command:

ls -la /usr/local/lib/node_modules

See the snapshot:

Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

You can see in the above snapshot, it is denying access just because of the node_module folder is owned by root

drwxr-xr-x   3 root     wheel    96 Jul  25 08:55 .

drwxr-xr-x  24 root     wheel   768 Jul 25 18:38 npm

Now this permission needs to be changed by changing the root to your user, you need to know the current username of your system.
To get the username run the below command:

id -un

or

whoami

Now you can see the current username as:

Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

Change the user:

Now its time to change the user (owner) and remove the problem.
To change the user (owner) of this folder, run the below command:

sudo chown -R [USERNAME]: /usr/local/lib/node_modules

eg:

sudo chown -R shubham: /usr/local/lib/node_modules

After this command, it will ask for password, enter the password and you'r done.

To confirm, check the below command to see the permission and user of that file/folder ( as you did earlier ):

ls -la /usr/local/lib/node_modules

See the snapshot:

Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

Now your problem should be solved, let's check by installing the angular CLI:

See the snapshot:

Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

In the above image, you can see the Error: EACCES: permission denied, access '/usr/local/lib/node_modules' is resolved now.

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Conclusion:

In this article, we saw how we can resolve the Error: EACCES: permission denied, access '/usr/local/lib/node_modules' problem and we can change the permission of any file/folder and also saw how we can get the current username of the system.